Zusammenfassung:
<jats:p>The paper presents the investigation of GdNiH<jats:sub>3.2</jats:sub> and TbNiH<jats:sub>3.4</jats:sub> hydrides magnetic transitions and magnetocaloric properties. The isothermal magnetization data in the fields up to 5T are obtained for GdNi and TbNi compounds and their hydrides and the values of magnetic entropy change are calculated. The maximum values of magnetic entropy change ΔS<jats:sub>M</jats:sub> in GdNiH<jats:sub>3.2</jats:sub> and TbNiH<jats:sub>3.4</jats:sub> are extremely large. It is shown that the hydrogenation shifts ΔS<jats:sub>M</jats:sub>(T) maximum to lower temperatures.</jats:p>
Beschreibung:
<jats:p>The paper presents the investigation of GdNiH<jats:sub>3.2</jats:sub> and TbNiH<jats:sub>3.4</jats:sub> hydrides magnetic transitions and magnetocaloric properties. The isothermal magnetization data in the fields up to 5T are obtained for GdNi and TbNi compounds and their hydrides and the values of magnetic entropy change are calculated. The maximum values of magnetic entropy change ΔS<jats:sub>M</jats:sub> in GdNiH<jats:sub>3.2</jats:sub> and TbNiH<jats:sub>3.4</jats:sub> are extremely large. It is shown that the hydrogenation shifts ΔS<jats:sub>M</jats:sub>(T) maximum to lower temperatures.</jats:p>